[PATCH 5/5] riscv: dts: sifive: fu740: add PDMA device node

Max Hsu
2026-02-20T19:44:32Z

The FU740 SoC includes a 4-channel Platform DMA (PDMA) controller.
Add the device node to enable DMA support.

Signed-off-by: Max Hsu <max.hsu@sifive.com>
---
arch/riscv/boot/dts/sifive/fu740-c000.dtsi | 9 +++++++++
1 file changed, 9 insertions(+)

diff --git a/arch/riscv/boot/dts/sifive/fu740-c000.dtsi b/arch/riscv/boot/dts/sifive/fu740-c000.dtsi
index 6150f3397bff..30d0d6837c57 100644
--- a/arch/riscv/boot/dts/sifive/fu740-c000.dtsi
+++ b/arch/riscv/boot/dts/sifive/fu740-c000.dtsi
@@ -329,6 +329,15 @@ gpio: gpio@10060000 {
clocks = <&prci FU740_PRCI_CLK_PCLK>;
status = "disabled";
};
+ dma: dma-controller@3000000 {
+ compatible = "sifive,fu740-c000-pdma", "sifive,pdma0";
+ reg = <0x0 0x3000000 0x0 0x100000>;
+ interrupt-parent = <&plic0>;
+ interrupts = <11>, <12>, <13>, <14>, <15>, <16>, <17>, <18>;
+ dma-channels = <4>;
+ clocks = <&prci FU740_PRCI_CLK_PCLK>;
+ #dma-cells = <1>;
+ };
pcie@e00000000 {
compatible = "sifive,fu740-pcie";
#address-cells = <3>;

--
2.43.0